> People, and leaders who are building "cool demos". Things that tell a great story, but somehow never materialize into any material revenue for the company. I

> People, and leaders who are building "cool demos". Things that tell a great story, but somehow never materialize into any material revenue for the company. It takes experience to see something awesome, and still drill into who asked for it, what problem is it solving, what value is it generating for the end user, etc. It's easy to forget that sometimes even something super cool is not that useful and when the rubber hits the road, no-one will pay for it.